British Standards Document
BS EN 54-23
Fire detection and fire alarm systems. Fire alarm devices. Visual alarm devices

https://doi.org/10.3403/30109637U

BS EN 54-23 is maintained by FSH/12/5. The current release of this standard is:

BS EN 54-23:2010 Fire detection and fire alarm systems. Fire alarm devices. Visual alarm devices

https://doi.org/10.3403/30109637 (published 31/05/2010)

This standard is available from the following sources:

Other historical versions of this standard document also exist: